<template>
    <div class="nav-bar">
        <div class="left"><slot name="left"></slot></div>
        <div class="center"><slot name="center"></slot></div>
        <div class="right"><slot name="right"></slot></div>
    </div>
</template>

<script>
    export default {
        name: "NavBar"
    }
</script>

<style scoped>
    .nav-bar{
        display: flex;
        height: 44px;
        line-height: 44px;
        text-align: center;
    }
    .right,.left{
        width: 90px;
    }
    .center{
        flex: 1;        /*使中间的item占据剩余空间*/
    }
</style>